package com.zr.d_c.controller;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.zr.d_c.model.Seller;
import com.zr.d_c.model.User;
import com.zr.d_c.service.OrderService;
import com.zr.d_c.service.SellerService;
import com.zr.d_c.serviceimpl.OrderServiceImpl;
import com.zr.d_c.serviceimpl.SellerServiceImpl;


/**
 * 商家查询是否有新的订单
 * @author Administrator
 *
 */
public class LunXunController extends HttpServlet {
	SellerService sellerservice = new SellerServiceImpl();
	OrderService orderservice = new OrderServiceImpl();
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(req, resp);
	}
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		HttpSession session = req.getSession();
		PrintWriter pw = resp.getWriter();
		User u = (User) session.getAttribute("currentUser");
		int currentOrder = (Integer) session.getAttribute("currentOrder");
		int uid = u.getUid();
		Seller s = sellerservice.getSellerByUid(uid);
		int sid = s.getSid();
		int orderNum = orderservice.getCountCurrentOrderBySid(sid);
		if(currentOrder < orderNum){
			session.setAttribute("currentOrder", orderNum);
			pw.write("1");
		}else if(currentOrder > orderNum){
			session.setAttribute("currentOrder", orderNum);
			pw.write("2");
		}else{
			pw.write("0");
		}
		pw.close();
	}
}
